package com.dp.proxy;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

public class DynamicProxyByJDK implements InvocationHandler {

    private Object target;
    
    public Object bind(Object target){
        this.target = target;
        return Proxy.newProxyInstance(target.getClass().getClassLoader(), target.getClass().getInterfaces(), this);
    }
    
    @Override
    public Object invoke(Object proxy, Method method, Object[] args)
            throws Throwable {
        System.out.println("事务开始！");
        Object result = method.invoke(target, args);
        System.out.println("事务结束！");
        return result;
    }
    
}
